﻿(function(OLBIKEjq) {                                          // Compliant with jquery.noConflict()
OLBIKEjq.fn.jCarouselLite = function(o) {
    o = OLBIKEjq.extend({
        btnPrev: null,
        btnNext: null,
        btnGo: null,
        mouseWheel: false,
		mouseon:true,
		mouseonTime:null,
        auto: null,

        speed: 200,
        easing: null,

        vertical: false,
        circular: true,
        visible: 3,
        start: 0,
        scroll: 1,

        beforeStart: null,
        afterEnd: null
    }, o || {});
	
	var size=0;
	var selfobj=OLBIKEjq(this)
	var liSize=0,ulSize=0,divSize=0,running = false, animCss=o.vertical?"top":"left", sizeCss=o.vertical?"height":"width";
	OLBIKEjq(window).bind("resize",function(){
		var window_w=OLBIKEjq(window).width()
		if (window_w<1200 && size==0)
		{	
			running = true;
			size=1;
				
				var div = selfobj, ul = OLBIKEjq("ul", div), tLi = OLBIKEjq("li", ul), tl = tLi.size(), v = o.visible;
				var li = OLBIKEjq("li", ul), itemLength = li.size(), curr = o.start;
				liSize = li.outerWidth(true)   // Full li size(incl margin)-Used for animation
				ulSize = liSize * itemLength; 
				ul.css(sizeCss, ulSize+"px").css(animCss, -(curr*liSize));
				divSize = liSize * v;
			running = false;
			selfobj.css("width","990px")
			selfobj.parent().parent().css("width","990px")
			
		}
		else if  (window_w>1200 && size==1)
		{  
			running = true;
			size=0;
			var div = selfobj, ul = OLBIKEjq("ul", div), tLi = OLBIKEjq("li", ul), tl = tLi.size(), v = o.visible;
			var li = OLBIKEjq("li", ul), itemLength = li.size(), curr = o.start;
			liSize =  li.outerWidth(true)  // Full li size(incl margin)-Used for animation
			ulSize = liSize * itemLength; 
			ul.css(sizeCss, ulSize+"px").css(animCss, -(curr*liSize));
			divSize = liSize * v;
			running = false;
			selfobj.css("width","1160px")
			selfobj.parent().parent().css("width","1160px")
		}
		
		
	})

    return this.each(function() {                           // Returns the element collection. Chainable.
        
        var div = OLBIKEjq(this), ul = OLBIKEjq("ul", div), tLi = OLBIKEjq("li", ul), tl = tLi.size(), v = o.visible;
        if(o.circular) {
            ul.prepend(tLi.slice(tl-v-1+1).clone())
              .append(tLi.slice(0,v).clone());
            o.start += v;
        }

        var li = OLBIKEjq("li", ul), itemLength = li.size(), curr = o.start;
        div.css("visibility", "visible");

        li.css({overflow: "hidden", float: o.vertical ? "none" : "left"});
        ul.css({margin: "0", padding: "0", position: "relative", "list-style-type": "none", "z-index": "1"});
        div.css({overflow: "hidden", position: "relative", "z-index": "2", left: "0px"});

        liSize = o.vertical ? height(li) : width(li);   // Full li size(incl margin)-Used for animation
		
        ulSize = liSize * itemLength;                   // size of full ul(total length, not just for the visible items)
     
		divSize = liSize * v;                           // size of entire div(total length for just the visible items)

        li.css({width: li.width(), height: li.height()});
        ul.css(sizeCss, ulSize+"px").css(animCss, -(curr*liSize));

        div.css(sizeCss, divSize+"px");                     // Width of the DIV. length of visible images
		if (o.mouseon)
			OLBIKEjq(div).hover(function(){
				o.mouseonTime=o.auto
				o.auto=null
			},function(){
				o.auto=o.mouseonTime
			})
        if(o.btnPrev)
            OLBIKEjq(o.btnPrev).click(function() {
                return go(curr-o.scroll);
            });

        if(o.btnNext)
            OLBIKEjq(o.btnNext).click(function() {
                return go(curr+o.scroll);
            });

        if(o.btnGo)
            OLBIKEjq.each(o.btnGo, function(i, val) {
                OLBIKEjq(val).click(function() {
                    return go(o.circular ? o.visible+i : i);
                });
            });

        if(o.mouseWheel && div.mousewheel)
            div.mousewheel(function(e, d) {
                return d>0 ? go(curr-o.scroll) : go(curr+o.scroll);
            });

        if(o.auto)
            setInterval(function() {
                go(curr+o.scroll);
            }, o.auto+o.speed);

        function vis() {
            return li.slice(curr).slice(0,v);
        };

        function go(to) {
			
			
            if(!running && o.auto!=null) {
				
                if(o.beforeStart)
                    o.beforeStart.call(this, vis());

                if(o.circular) {            // If circular we are in first or last, then goto the other end
                    if(to<=o.start-v-1) {           // If first, then goto last
					
                        ul.css(animCss, -((itemLength-(v*2))*liSize)+"px");
                        // If "scroll" > 1, then the "to" might not be equal to the condition; it can be lesser depending on the number of elements.
                        curr = to==o.start-v-1 ? itemLength-(v*2)-1 : itemLength-(v*2)-o.scroll;
                    } else if(to>=itemLength-v+1) { // If last, then goto first
					
                        ul.css(animCss, -( (v) * liSize ) + "px" );
                        // If "scroll" > 1, then the "to" might not be equal to the condition; it can be greater depending on the number of elements.
                        curr = to==itemLength-v+1 ? v+1 : v+o.scroll;
                    } else curr = to;
                } else {                    // If non-circular and to points to first or last, we just return.
                    if(to<0 || to>itemLength-v) return;
                    else curr = to;
                }                           // If neither overrides it, the curr will still be "to" and we can proceed.

                running = true;

                ul.animate(
				
                    animCss == "left" ? { left: -(curr*liSize) } : { top: -(curr*liSize) } , o.speed, o.easing,
                    function() {
                        if(o.afterEnd)
                            o.afterEnd.call(this, vis());
						
                        running = false;
                    }
					
					
                );
                // Disable buttons when the carousel reaches the last/first, and enable when not
                if(!o.circular) {
                    OLBIKEjq(o.btnPrev + "," + o.btnNext).removeClass("disabled");
                    OLBIKEjq( (curr-o.scroll<0 && o.btnPrev)
                        ||
                       (curr+o.scroll > itemLength-v && o.btnNext)
                        ||
                       []
                     ).addClass("disabled");
                }

            }
            return false;
        };
    });
};

function css(el, prop) {
    return parseInt(OLBIKEjq.css(el[0], prop)) || 0;
};
function width(el) {
    return  el[0].offsetWidth + css(el, 'marginLeft') + css(el, 'marginRight');
};
function height(el) {
    return el[0].offsetHeight + css(el, 'marginTop') + css(el, 'marginBottom');
};

})(jQuery);